/*
 * Copyright (c) 2003-2010, Live Media Pty. Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice, this list of
 *     conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice, this list of
 *     conditions and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *  3. Neither the name of Live Media nor the names of its contributors may be used to endorse
 *     or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.colony.networkvm;

import com.argot.TypeLibrary;
import com.colony.ColonyEnvironment;
import com.colony.IColonyClient;
import com.colony.IContainer;
import com.colony.networkvm.machine.NvmInstance;
import com.colony.networkvm.machine.NvmState;
import com.colony.remote.RemoteException;

public class NvmEnvironment
{
	private TypeLibrary _library;
	private ColonyEnvironment _environment;
	private NvmDelegateFactory _delegateFactory;
		
	public NvmEnvironment( ColonyEnvironment environment, NvmDelegateFactory delegateFactory, TypeLibrary library ) 
	{
		_environment = environment;
		_library = library;
		_delegateFactory = delegateFactory;
	}
	
	// proxies to access object in local container.
	public void setBackDelegate( Class type, NvmProxyDelegate delegate )
	{
		_delegateFactory.setBackDelegate( type, delegate );
	}
	
	public NvmProxyDelegate getBackDelegate( Class type )
	{
		return (NvmProxyDelegate) _delegateFactory.getBackDelegate( type );
	}
	
	public IColonyClient getClient( String hostName )
	{
		return _environment.getClient( hostName );
	}

	// create a new NetworkVM
	public NvmInstance getNvmInstance( )
	{
		return new NvmInstance( this, _library );
	}

	public NvmInstance getNvmInstance(NvmState state)
	{
        
		return new NvmInstance( this, _library, state );
	}
	
	public void executeInstance( NvmInstance instance ) 
	throws RemoteException
	{
		instance.execute( instance );
	}
	
	public IContainer getHostContainer()
	{
		return _environment.getHostContainer();
	}

	// System type library.
    public TypeLibrary getTypeLibrary()
    {
        return _library;
    }	
}
